Gutierrezia

snakeweeds
matchweeds
Gutierrezia sarothrae
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae[1]
Genus: Gutierrezia
Lag.
Type species
Gutierrezia linearifolia
Lag.[2] (syn of G. sarothrae)[3]
Synonyms[1]
  • Brachyris Nutt.
  • Brachyachyris Spreng.
  • Greenella A.Gray
  • Odontocarpha Poepp. ex DC.
  • Hemiachyris DC.

Gutierrezia is a genus of flowering plants in the sunflower family. Plants of this genus are known generally as snakeweeds or matchweeds.[4][5][6][7][8][9]

These plants contain chemical compounds which can be toxic to livestock and some are considered weeds. They bear small yellow daisy-like flowers.[10]

Species[1][11][12][13]
  1. Gutierrezia alamanii - Chihuahua
  2. Gutierrezia argyrocarpa - Hidalgo
  3. Gutierrezia arizonica – Arizona snakeweed - Arizona, Sonora
  4. Gutierrezia baccharoides - Chile, Argentina
  5. Gutierrezia californica – San Joaquin snakeweed - California, Baja California, Arizona (Yavapai Co)
  6. Gutierrezia conoidea - Chihuahua, Durango, Jalisco, Zacatecas
  7. Gutierrezia dracunculoides - USA (from Arizona to Nebraska + Tennessee)
  8. Gutierrezia dunalii - Morelos, México State
  9. Gutierrezia espinosae - Chile
  10. Gutierrezia gayana - Chile
  11. Gutierrezia gilliesii - Argentina
  12. Gutierrezia grandis - Nuevo León, Coahuila
  13. Gutierrezia isernii - Argentina
  14. Gutierrezia mandonii - Argentina, Bolivia
  15. Gutierrezia microcephala – threadleaf snakeweed - southwestern USA, northern Mexico
  16. Gutierrezia neaeana - Chile
  17. Gutierrezia paniculata - Chile
  18. Gutierrezia petradoria – San Pedro snakeweed - Utah
  19. Gutierrezia pomariensis - Utah
  20. Gutierrezia pulviniformis - Argentina
  21. Gutierrezia ramulosa - Baja California
  22. Gutierrezia repens - Argentina
  23. Gutierrezia resinosa - Chile
  24. Gutierrezia sarothrae – broom snakeweed - western Canada, western + central USA, northern Mexico
  25. Gutierrezia sericocarpa - San Luis Potosí, Durango, Zacatecas, Guanajuato, Querétaro, Nayarit
  26. Gutierrezia serotina – late snakeweed - Arizona
  27. Gutierrezia solbrigii - Argentina
  28. Gutierrezia spathulata - Argentina
  29. Gutierrezia sphaerocephala – roundleaf snakeweed - USA (Arizona, New Mexico, Texas), northern Mexico
  30. Gutierrezia taltalensis - Chile
  31. Gutierrezia texana – Texas snakeweed - USA (New Mexico, Texas Oklahoma Louisiana Arkansas), Nuevo León
  32. Gutierrezia wrightii – Wright's snakeweed - USA (Arizona, New Mexico), Chihuahua, Durango, Sonora

References

  1. 1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Tropicos, Gutierrezia Lag.
  3. ↑ The Plant List, Gutierrezia linearifolia Lag.
  4. ↑ Lagasca y Segura, Mariano. 1816. Genera et species plantarum, quae aut novae sunt aut nondum recte cognoscuntur, Elench. Pl. 30
  5. ↑ Tropicos, Gutierrezia Lag.
  6. ↑ "Asteraceae of North America Update, database (version 2010.5.13)". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  7. ↑ "Gutierrezia Lag. Taxonomic Hierarchy". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  8. ↑ "Classification for Kingdom Plantae Down to Genus Gutierrezia Lag.". United States Department of Agriculture Natural Resources Conservation Service. Retrieved January 5, 2013.
  9. ↑ Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Systematic Botany 10(1): 7–28
  10. ↑ Everitt, J.H.; Lonard, R.L.; Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2.
  11. ↑ Biota of North America Program 2013 county distribution maps
  12. ↑ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..
  13. ↑ The Plant List, search for Gutierrezia

External links

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